You can set the video range to match the setting of input source.
Select Auto to automatically identify the dynamic range of the input signal.
The result for your selected setting is displayed as Signal Status.
You can adjust the PQ curve of the dynamic range in the HDR PQ (Perceptual Quantizer) method.
You can adjust the HLG curve of the dynamic range in the HDR HLG (Hybrid Log Gamma) method.